Build error occurred

[mfaizanxyz]

apples-MacBook-Pro:mtash-dext-clone Adeel$ yarn build
yarn run v1.22.22
$ next build
▲ Next.js 14.1.4

• Environments: .env

Creating an optimized production build ...

Build error occurred
Error: Page config in /Volumes/Workspace/new folder/mtash-dext-clone/src/app/api/xero/createInvoice/route.ts is deprecated. Replace export const config=… with the following:
Visit https://nextjs.org/docs/app/api-reference/file-conventions/route-segment-config for more information.
at getPageStaticInfo (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/analysis/get-page-static-info.js:422:27)
at async getStaticInfoIncludingLayouts (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/entries.js:104:28)
at async /Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/entries.js:402:32
at async Promise.all (index 61)
at async Promise.all (index 0)
at async createEntrypoints (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/entries.js:533:5)
at async Span.traceAsyncFn (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/trace/trace.js:151:20)
at async webpackBuildImpl (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/webpack-build/impl.js:102:25)
at async Object.workerMain (/Volumes/Workspace/new folder/mtash-dext-clone/node_modules/next/dist/build/webpack-build/impl.js:313:20) {
type: 'Error'
}
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
apples-MacBook-Pro:mtash-dext-clone Adeel$

i run the yarn bbuild and get this issue can you plz tell me how to solve it